Worldfire + Possibility Storm + Scroll Rack + Guttersnipe

Prerequisites

• You have at least one other sorcery card in hand.
• You are able to cast the additional sorcery.

Steps

1. 1Activate Scroll Rack by paying and tapping it, exiling Worldfire from your hand face down, then causing you to draw one card and put Worldfire on top of your library.
2. 2Cast any sorcery spell from your hand by paying its mana cost.
3. 3Possibility Storm and Guttersnipe trigger.
4. 4Resolve the Possibility Storm trigger, exiling the sorcery spell, then exiling Worldfire from the top of your library and casting it without paying its mana cost.
5. 5Guttersnipe triggers, dealing 2 damage to each opponent.
6. 6Resolve Worldfire, exiling all permanents, all cards in all hands and graveyards, and setting each player's life total to one.
7. 7Resolve the Guttersnipe trigger from step 3, dealing 2 damage to each opponent.
8. 8Each opponent loses the game due to having less than zero life.

Effects

• Each opponent loses the game
• Exile all cards in hands and graveyards
• Exile all permanents
• Mass Land Denial
• Near-infinite lifeloss